<s>
FreeType	B-Application
is	O
a	O
software	B-Library
development	I-Library
library	I-Library
used	O
to	O
render	O
text	O
onto	O
bitmaps	O
,	O
and	O
which	O
provides	O
support	O
for	O
other	O
font-related	O
operations	O
.	O
</s>
<s>
The	O
FreeType	B-Application
font	O
rasterization	O
engine	O
is	O
free	B-License
and	I-License
open-source	I-License
software	I-License
with	O
the	O
source	O
code	O
dual-licensed	B-License
under	O
a	O
BSD-like	B-License
license	I-License
and	O
the	O
GPL	B-License
.	O
</s>
<s>
FreeType	B-Application
supports	O
a	O
number	O
of	O
font	O
formats	O
,	O
including	O
TrueType	O
,	O
Type	O
1	O
,	O
and	O
OpenType	O
.	O
</s>
<s>
The	O
FreeType	B-Application
rendering	O
engine	O
was	O
started	O
in	O
1995	O
by	O
David	O
Turner	O
with	O
the	O
intent	O
to	O
provide	O
TrueType	O
font	O
support	O
for	O
the	O
OS/2	B-Application
operating	O
system	O
,	O
including	O
an	O
interpreter	O
for	O
handling	O
TrueType	O
bytecode	O
.	O
</s>
<s>
Originally	O
written	O
in	O
the	O
Pascal	B-Application
programming	I-Application
language	I-Application
,	O
it	O
was	O
ported	O
in	O
1997	O
by	O
Robert	O
Wilhelm	O
to	O
C	B-Language
.	O
</s>
<s>
FreeType	B-Application
1	O
had	O
support	O
only	O
for	O
the	O
TrueType	O
font	O
format	O
,	O
but	O
it	O
included	O
an	O
extension	O
to	O
support	O
OpenType	O
text	O
layout	O
features	O
.	O
</s>
<s>
Version	O
2.0	O
of	O
FreeType	B-Application
was	O
a	O
complete	O
rewrite	O
to	O
make	O
it	O
more	O
modular	O
.	O
</s>
<s>
FreeType	B-Application
2	O
brought	O
support	O
for	O
more	O
font	O
formats	O
and	O
an	O
evolved	O
source	O
code	O
which	O
the	O
developers	O
stated	O
was	O
"	O
simpler	O
and	O
more	O
powerful	O
"	O
.	O
</s>
<s>
FreeType	B-Application
2	O
is	O
not	O
backward-compatible	O
with	O
FreeType	B-Application
1	O
but	O
the	O
developers	O
stated	O
that	O
moving	O
from	O
FreeType	B-Application
1	O
to	O
FreeType	B-Application
2	O
poses	O
little	O
difficulty	O
.	O
</s>
<s>
As	O
text	O
layout	O
processing	O
was	O
not	O
an	O
objective	O
of	O
FreeType	B-Application
2	O
,	O
however	O
,	O
the	O
OpenType	O
text	O
layout	O
functionality	O
of	O
FreeType	B-Application
1	O
was	O
removed	O
in	O
FreeType	B-Application
2	O
.	O
</s>
<s>
A	O
very	O
evolved	O
form	O
of	O
the	O
OpenType	O
text	O
layout	O
functionality	O
of	O
FreeType	B-Application
1	O
is	O
used	O
in	O
the	O
Pango	B-Language
text	O
layout	O
library	O
.	O
</s>
<s>
The	O
HarfBuzz	B-Language
project	O
is	O
further	O
evolving	O
that	O
functionality	O
with	O
a	O
complete	O
rewrite	O
offered	O
as	O
a	O
standalone	O
library	O
with	O
a	O
less	O
restrictive	O
license	O
than	O
Pango	B-Language
's	O
license	O
.	O
</s>
<s>
In	O
1999	O
,	O
the	O
Freetype	B-Application
project	O
was	O
informed	O
by	O
Apple	O
Incorporated	O
that	O
FreeType	B-Application
was	O
infringing	O
patents	O
related	O
to	O
TrueType	O
font	O
hinting	O
.	O
</s>
<s>
Following	O
that	O
,	O
Freetype	B-Application
deactivated	O
by	O
default	O
or	O
worked	O
around	O
patent	O
relating	O
technologies	O
.	O
</s>
<s>
Therefore	O
,	O
several	O
open	O
source	O
projects	O
,	O
such	O
as	O
FreeBSD	B-Operating_System
or	O
Linux	B-Application
,	O
had	O
FreeType	B-Application
included	O
with	O
font	O
hinting	O
functionality	O
disabled	O
or	O
degraded	O
to	O
avoid	O
the	O
issue	O
of	O
software	O
patents	O
held	O
by	O
Apple	O
Inc	O
.	O
</s>
<s>
Since	O
May	O
2010	O
,	O
all	O
conflicting	O
software	O
patents	O
related	O
to	O
font	O
hinting	O
have	O
expired	O
,	O
allowing	O
FreeType	B-Application
's	O
TrueType	O
font	O
hinter	O
to	O
be	O
used	O
in	O
open	O
source	O
.	O
</s>
<s>
In	O
Fedora	O
,	O
freetype-freeworld	O
was	O
switched	O
from	O
the	O
proprietary	O
yum	B-Application
repository	O
to	O
the	O
free	O
repository	O
.	O
</s>
<s>
Since	O
August	O
2019	O
,	O
all	O
conflicting	O
software	O
patents	O
related	O
to	O
ClearType	O
color	O
filtering	O
have	O
expired	O
,	O
allowing	O
FreeType	B-Application
to	O
use	O
ClearType	O
color	O
filtering	O
method	O
in	O
2.10.3	O
.	O
</s>
<s>
In	O
2013	O
Adobe	O
donated	O
a	O
Compact	O
Font	O
Format	O
rendering	O
engine	O
to	O
the	O
FreeType	B-Application
project	O
which	O
integrated	O
it	O
and	O
made	O
it	O
the	O
default	O
with	O
version	O
2.5	O
.	O
</s>
<s>
FreeType	B-Application
is	O
used	O
as	O
a	O
font	O
renderer	O
in	O
Android	B-Application
.	O
</s>
<s>
Apple	O
uses	O
FreeType	B-Application
in	O
iOS	B-Application
and	O
macOS	B-Application
next	O
to	O
Apple	O
Advanced	O
Typography	O
.	O
</s>
<s>
In	O
2007	O
,	O
Sun	O
Microsystems	O
switched	O
from	O
using	O
a	O
proprietary	O
font	O
rasterizer	O
to	O
using	O
FreeType	B-Application
in	O
the	O
OpenJDK	O
Java	B-Device
development	O
kit	O
.	O
</s>
<s>
On	O
Windows	B-Application
,	O
projects	O
like	O
gdipp	O
and	O
MacType	O
aim	O
to	O
override	O
the	O
system	O
renderer	O
with	O
FreeType	B-Application
.	O
</s>
<s>
FreeType	B-Application
is	O
also	O
used	O
as	O
a	O
font	O
renderer	O
in	O
ReactOS	B-Application
.	O
</s>
<s>
As	O
well	O
as	O
being	O
used	O
by	O
the	O
major	O
free	O
software	O
desktop	O
systems	O
,	O
FreeType	B-Application
has	O
been	O
used	O
as	O
a	O
rasterization	O
engine	O
for	O
some	O
modern	O
video	O
games	O
,	O
and	O
Opera	B-Application
for	O
the	B-Operating_System
Wii	I-Operating_System
.	O
</s>
<s>
Sony	O
ships	O
FreeType	B-Application
with	O
its	O
PlayStation	B-Operating_System
3	I-Operating_System
,	O
PlayStation	B-Operating_System
4	I-Operating_System
,	O
and	O
PlayStation	B-Device
Vita	I-Device
consoles	O
.	O
</s>
